// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef NET_PROXY_NETWORK_DELEGATE_ERROR_OBSERVER_H_
#define NET_PROXY_NETWORK_DELEGATE_ERROR_OBSERVER_H_

#include <memory>

#include "base/compiler_specific.h"
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "net/proxy/proxy_resolver_error_observer.h"

namespace base {
class SingleThreadTaskRunner;
}

namespace net {

class NetworkDelegate;

// An implementation of ProxyResolverErrorObserver that forwards PAC script
// errors to a NetworkDelegate object on the thread it lives on.
class NET_EXPORT_PRIVATE NetworkDelegateErrorObserver
    : public ProxyResolverErrorObserver {
public:
    NetworkDelegateErrorObserver(NetworkDelegate* network_delegate,
        base::SingleThreadTaskRunner* origin_runner);
    ~NetworkDelegateErrorObserver() override;

    static std::unique_ptr<ProxyResolverErrorObserver> Create(
        NetworkDelegate* network_delegate,
        const scoped_refptr<base::SingleThreadTaskRunner>& origin_runner);

    // ProxyResolverErrorObserver implementation.
    void OnPACScriptError(int line_number, const base::string16& error) override;

private:
    class Core;

    scoped_refptr<Core> core_;

    DISALLOW_COPY_AND_ASSIGN(NetworkDelegateErrorObserver);
};

} // namespace net

#endif // NET_PROXY_NETWORK_DELEGATE_ERROR_OBSERVER_H_
